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Vitamins (fat-soluble) (toxicity)

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Vitamin A – Retinol
Headache, blurred vision, skin disorders, hypercarotenaemia (yellow skin)
Vitamin D – D2 (plants -ergocalciferol), D3 (animals - cholecalciferol)
Infant mental retardation, calcium deposits in kidneys, heart, blood vessels, hypercalcaemia
Vitamin E - Tocopherol
supplementation in megadoses increases risk of heart failure
Vitamin K – Phylloquinone (plants), menaquinone (gut bacteria)
(readily excreted)